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'16 Colorado - 6,647 miles on oil - RP 5/30 #4563059
11/03/17 02:16 PM
11/03/17 02:16 PM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
2016 Colorado v6 Z71
6,647 miles on oil
11,749 miles on motor
RP 5/30
K&N filter

I refilled with RP / K&N filter, but after that I am going PUP 5w30 with a Fram Ultra.


Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563089
11/03/17 03:03 PM
11/03/17 03:03 PM
Joined: Jul 2016
Posts: 1,482
Jacksonville, FL
FlyNavyP3 Offline
FlyNavyP3  Offline
Joined: Jul 2016
Posts: 1,482
Jacksonville, FL
Iron looks high compared to universal averages, but the engine is still new. Looks like pretty healthy dose of fuel in the oil as well. The Royal Purple isn't really a boutique oil, nor does it really impress here. I'd be looking for another choice of oil as well.

Thanks for the report!


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: FlyNavyP3] #4563090
11/03/17 03:07 PM
11/03/17 03:07 PM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
I haven't been impressed with RP (Dexos) oil at all. Very pricey for what you actually get. I ran PUP in other vehicles in the past and I will go back to that. I am interested in the UOA and will publish them once I get enough miles.

Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563137
11/03/17 04:16 PM
11/03/17 04:16 PM
Joined: Oct 2014
Posts: 63
Pennsylvania
340_Magnum Offline
340_Magnum  Offline
Joined: Oct 2014
Posts: 63
Pennsylvania
That 3.6 V6 Colorado is a nice little truck. I usually run either Pennzoil Platinum 5w-30 or Quaker State Ultimate Durability 5w-30 in mine alone with a Fram Ultra filter.

Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563193
11/03/17 05:18 PM
11/03/17 05:18 PM
Joined: Sep 2014
Posts: 164
NJ, USA
davison0976 Offline
davison0976  Offline
Joined: Sep 2014
Posts: 164
NJ, USA
That's nothing for a 11,000 miles old engine. I had similar or worse wear on my V6 engines at that mileage.

I wouldn't read to much into wear numbers until you at least over 40,000 miles.

Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563195
11/03/17 05:26 PM
11/03/17 05:26 PM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
Texas (south)
Chevy and Ford are pretty unreliable. Just change your oil regularly and I bet you will be fine.


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563241
11/03/17 06:27 PM
11/03/17 06:27 PM
Joined: Apr 2004
Posts: 7,743
New York
pbm Offline
pbm  Offline
Joined: Apr 2004
Posts: 7,743
New York
RP changed their formula about 1.5 years ago....it went from a high sodium, VSP clone to a no sodium, high moly and boron formula. I like this newer formula better but only when I can get it as cheap as other syns.


'Journalism is Dead'
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563454
11/03/17 10:25 PM
11/03/17 10:25 PM
Joined: Mar 2012
Posts: 367
Washington, USA
Onug Offline
Onug  Offline
Joined: Mar 2012
Posts: 367
Washington, USA
I donít know anything about GM engines, but I bet youíre still working through break-in metals. Iím guessing fuel dilution is whatís causing the oil to drop out of spec. I wouldnít run the OCI any longer than you have until that works itself out. Any maybe try another oil to see if it holds up better...


2016 F-150 3.5L Ecoboost
Current Oil: Castrol Magnatec 5W-30 and Fram Ultra filter
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: Onug] #4563572
11/04/17 05:03 AM
11/04/17 05:03 AM
Joined: Feb 2010
Posts: 385
Grand Rapids, Michigan
Toto Offline
Toto  Offline
Joined: Feb 2010
Posts: 385
Grand Rapids, Michigan
Nothing wrong with PUP or Royal Purple but if I had a GM vehicle I would use MOBIL 1, it has all the GM certifications(no warranty hassles) , it's readily available and you can find a deal somewhere on it, plus use the oil light monitor if your truck has one.
Best of luck
TOTO.


AMSOIL-OE 0W 20-XL 10W 30-SEVERE GEAR
NAPA GOLD
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: c5z06] #4563652
11/04/17 08:13 AM
11/04/17 08:13 AM
Joined: Feb 2013
Posts: 3,117
Virginia
bigt61 Offline
bigt61  Offline
Joined: Feb 2013
Posts: 3,117
Virginia
What kind of usage does this truck see? How much & how heavy are you towing?


92 Suburban 2500 7.4L 58k M1_0w40 5yr OCI
99 Olds Aurora 4.0L 91K M1_5w30 5yr OCI
13 Dodge Dart 2.0L 30k PP 0w20 OLM OCI
70 Camaro 5.7L 59k
Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: bigt61] #4563839
11/04/17 11:33 AM
11/04/17 11:33 AM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
Towed 600 miles on this oil, otherwise its a 50/50 mix of city and highway.

Re: '16 Colorado - 6,647 miles on oil - RP 5/30 [Re: Toto] #4563841
11/04/17 11:34 AM
11/04/17 11:34 AM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
If I used the OLM on the truck I would have easily went a 1000 miles or more past where I changed it, 38% when changed.


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